/* ================================================================
   UT COMEXAGRO – Main Stylesheet
   Versión: 1.0 | Diseño: Agrícola Premium
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ================================================================
   1. CSS VARIABLES
   ================================================================ */
:root {
  /* Brand */
  --green-950: #052E16;
  --green-900: #14532D;
  --green-800: #166534;
  --green-700: #15803D;
  --green-600: #16A34A;
  --green-500: #22C55E;
  --green-400: #4ADE80;
  --green-300: #86EFAC;
  --green-100: #DCFCE7;
  --green-50:  #F0FDF4;

  --amber-900: #78350F;
  --amber-700: #B45309;
  --amber-500: #F59E0B;
  --amber-400: #FBBF24;
  --amber-300: #FCD34D;
  --amber-100: #FEF3C7;

  /* Semantic */
  --clr-primary:       var(--green-700);
  --clr-primary-dark:  var(--green-900);
  --clr-primary-light: var(--green-500);
  --clr-accent:        var(--amber-400);
  --clr-accent-dark:   var(--amber-700);

  /* Neutral */
  --clr-white:   #FFFFFF;
  --clr-gray-50: #F9FAFB;
  --clr-gray-100:#F3F4F6;
  --clr-gray-200:#E5E7EB;
  --clr-gray-300:#D1D5DB;
  --clr-gray-400:#9CA3AF;
  --clr-gray-500:#6B7280;
  --clr-gray-600:#4B5563;
  --clr-gray-700:#374151;
  --clr-gray-800:#1F2937;
  --clr-gray-900:#111827;

  /* Status */
  --clr-success: #059669;
  --clr-danger:  #DC2626;
  --clr-warning: #D97706;
  --clr-info:    #2563EB;

  /* Shadows */
  --sh-sm:  0 1px 4px rgba(0,0,0,.08);
  --sh-md:  0 4px 16px rgba(0,0,0,.12);
  --sh-lg:  0 8px 32px rgba(0,0,0,.16);
  --sh-xl:  0 16px 48px rgba(0,0,0,.22);
  --sh-green: 0 8px 32px rgba(21,128,61,.30);

  /* Layout */
  --navbar-h:    72px;
  --container:   1280px;
  --pad-x:       clamp(1rem, 4vw, 2.5rem);

  /* Radius */
  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  16px;
  --r-xl:  24px;
  --r-2xl: 32px;
  --r-full: 9999px;

  /* Transitions */
  --t: all .3s cubic-bezier(.4,0,.2,1);
  --t-fast: all .15s ease;
}

/* ================================================================
   2. RESET & BASE
   ================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1rem;
  color: var(--clr-gray-800);
  background: var(--clr-white);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* ================================================================
   3. NAVBAR
   ================================================================ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--navbar-h);
  display: flex; align-items: center;
  padding: 0 var(--pad-x);
  transition: var(--t);
}
#navbar.scrolled {
  background: rgba(5, 46, 22, .96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 24px rgba(0,0,0,.35);
}
.nav-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
}
.nav-brand {
  display: flex; align-items: center; gap: .75rem;
}
.nav-brand-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--green-600), var(--amber-400));
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.nav-brand-name {
  font-size: .85rem; font-weight: 800;
  color: var(--clr-white);
  letter-spacing: .08em;
  line-height: 1.1;
}
.nav-brand-sub {
  font-size: .65rem; color: var(--green-300);
  letter-spacing: .06em;
}
.nav-links {
  display: flex; align-items: center; gap: 2rem;
}
.nav-links a {
  font-size: .875rem; font-weight: 500;
  color: rgba(255,255,255,.75);
  transition: var(--t-fast);
  position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--clr-accent);
  border-radius: var(--r-full);
  transition: var(--t-fast);
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { width: 100%; }

.btn-nav-login {
  display: flex; align-items: center; gap: .5rem;
  padding: .5rem 1.25rem;
  background: var(--clr-accent);
  color: var(--green-950);
  font-size: .85rem; font-weight: 700;
  border-radius: var(--r-full);
  transition: var(--t-fast);
  white-space: nowrap;
}
.btn-nav-login:hover {
  background: var(--amber-300);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(251,191,36,.4);
}

/* Hamburguesa móvil */
.nav-hamburger {
  display: none; flex-direction: column;
  gap: 5px; cursor: pointer; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: #fff; border-radius: 2px; transition: var(--t);
}

/* ================================================================
   4. HERO
   ================================================================ */
#hero {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(5,46,22,.93) 0%, rgba(20,83,45,.85) 50%, rgba(5,46,22,.97) 100%),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><circle cx="30" cy="30" r="1.5" fill="%2322C55E" opacity=".15"/></svg>') repeat;
  display: flex; align-items: center;
  padding-top: var(--navbar-h);
  position: relative; overflow: hidden;
}
.hero-particles {
  position: absolute; inset: 0; pointer-events: none;
}
.hero-particle {
  position: absolute;
  border-radius: 50%;
  background: var(--green-500);
  opacity: .06;
  animation: float-up linear infinite;
}
@keyframes float-up {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: .08; }
  90%  { opacity: .04; }
  100% { transform: translateY(-20vh) scale(1); opacity: 0; }
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 4rem;
  width: 100%; max-width: var(--container);
  margin: 0 auto; padding: 5rem var(--pad-x);
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(251,191,36,.15);
  border: 1px solid rgba(251,191,36,.35);
  color: var(--amber-300);
  font-size: .75rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  padding: .375rem .875rem;
  border-radius: var(--r-full);
  margin-bottom: 1.25rem;
}
.hero-badge::before { content: '●'; font-size: .5rem; animation: blink 1.5s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.2} }
.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900; line-height: 1.1;
  color: var(--clr-white);
  margin-bottom: 1.5rem;
}
.hero-title span { color: var(--clr-accent); }
.hero-desc {
  font-size: 1.125rem; color: rgba(255,255,255,.72);
  max-width: 520px; margin-bottom: 2.5rem; line-height: 1.7;
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 1rem;
}
/* Botones principales */
.btn-primary {
  display: inline-flex; align-items: center; gap: .625rem;
  padding: .875rem 2rem;
  background: var(--clr-accent);
  color: var(--green-950);
  font-size: .9rem; font-weight: 700;
  border-radius: var(--r-full);
  transition: var(--t-fast);
  border: 2px solid transparent;
}
.btn-primary:hover {
  background: var(--amber-300);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(251,191,36,.4);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: .625rem;
  padding: .875rem 2rem;
  background: rgba(34,197,94,.15);
  color: var(--green-300);
  font-size: .9rem; font-weight: 600;
  border-radius: var(--r-full);
  border: 1.5px solid rgba(34,197,94,.4);
  transition: var(--t-fast);
}
.btn-secondary:hover {
  background: rgba(34,197,94,.25);
  border-color: var(--green-500);
  color: #fff;
  transform: translateY(-2px);
}
.btn-outline {
  display: inline-flex; align-items: center; gap: .625rem;
  padding: .875rem 2rem;
  background: transparent;
  color: rgba(255,255,255,.8);
  font-size: .9rem; font-weight: 600;
  border-radius: var(--r-full);
  border: 1.5px solid rgba(255,255,255,.25);
  transition: var(--t-fast);
}
.btn-outline:hover {
  border-color: rgba(255,255,255,.7);
  color: #fff; transform: translateY(-2px);
}

/* Hero decoration right */
.hero-visual {
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.hero-card-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  transform: perspective(800px) rotateY(-8deg) rotateX(4deg);
}
.hero-stat-card {
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  text-align: center;
  transition: var(--t);
}
.hero-stat-card:hover { transform: translateY(-4px); background: rgba(255,255,255,.1); }
.hero-stat-number {
  font-size: 2rem; font-weight: 900;
  color: var(--clr-accent); display: block;
}
.hero-stat-label {
  font-size: .75rem; color: rgba(255,255,255,.6);
  text-transform: uppercase; letter-spacing: .06em;
}
.hero-stat-card.accent {
  background: rgba(251,191,36,.12);
  border-color: rgba(251,191,36,.3);
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute; bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  color: rgba(255,255,255,.4); font-size: .7rem; letter-spacing: .1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}
.hero-scroll-arrow {
  width: 28px; height: 28px;
  border-right: 2px solid rgba(255,255,255,.3);
  border-bottom: 2px solid rgba(255,255,255,.3);
  transform: rotate(45deg);
}
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

/* ================================================================
   5. SECCIÓN: NOSOTROS
   ================================================================ */
#nosotros { padding: 6rem 0; background: var(--clr-white); }
.about-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
.about-label {
  font-size: .75rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--clr-primary);
  margin-bottom: .75rem;
}
.about-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800; line-height: 1.2;
  color: var(--clr-gray-900); margin-bottom: 1.25rem;
}
.about-title strong { color: var(--clr-primary); }
.about-text {
  color: var(--clr-gray-600); line-height: 1.8; margin-bottom: 1.5rem;
}
.about-features {
  display: flex; flex-direction: column; gap: .75rem;
}
.about-feature {
  display: flex; align-items: center; gap: .75rem;
  font-size: .9rem; color: var(--clr-gray-700);
}
.about-feature-icon {
  width: 32px; height: 32px;
  background: var(--green-100); border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}

/* Stats en el aside derecho */
.about-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem;
}
.stat-card {
  background: var(--clr-gray-50);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--r-lg);
  padding: 1.75rem 1.25rem;
  text-align: center;
  transition: var(--t);
}
.stat-card:hover {
  border-color: var(--green-500);
  box-shadow: var(--sh-md);
  transform: translateY(-3px);
}
.stat-card.highlight {
  background: var(--green-900);
  border-color: var(--green-700);
}
.stat-card.highlight .stat-value { color: var(--clr-accent); }
.stat-card.highlight .stat-label { color: rgba(255,255,255,.6); }
.stat-value {
  font-size: 2.25rem; font-weight: 900;
  color: var(--clr-primary); display: block; line-height: 1;
  margin-bottom: .375rem;
}
.stat-label {
  font-size: .78rem; color: var(--clr-gray-500);
  letter-spacing: .04em;
}

/* ================================================================
   6. SECCIÓN: SERVICIOS
   ================================================================ */
#servicios {
  padding: 6rem 0;
  background: linear-gradient(180deg, var(--clr-gray-50) 0%, var(--clr-white) 100%);
}
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-label {
  display: inline-block;
  font-size: .75rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--clr-primary);
  margin-bottom: .75rem;
}
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800; color: var(--clr-gray-900); line-height: 1.2;
  margin-bottom: 1rem;
}
.section-desc { font-size: 1.05rem; color: var(--clr-gray-500); max-width: 560px; margin: 0 auto; }
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--r-xl);
  padding: 2rem;
  transition: var(--t);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--clr-primary), var(--green-400));
  transform: scaleX(0); transform-origin: left;
  transition: var(--t);
}
.service-card:hover { box-shadow: var(--sh-lg); transform: translateY(-4px); border-color: var(--green-200); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px;
  background: var(--green-100);
  border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; margin-bottom: 1.25rem;
  transition: var(--t);
}
.service-card:hover .service-icon { background: var(--green-700); }
.service-name {
  font-size: 1.05rem; font-weight: 700;
  color: var(--clr-gray-900); margin-bottom: .625rem;
}
.service-desc { font-size: .875rem; color: var(--clr-gray-500); line-height: 1.7; }

/* ================================================================
   7. SECCIÓN: CONVOCATORIA / CTAs
   ================================================================ */
#convocatoria {
  padding: 6rem 0;
  background: var(--green-950);
  position: relative; overflow: hidden;
}
#convocatoria::before {
  content: '';
  position: absolute; inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="80" height="80"><circle cx="40" cy="40" r="1" fill="%2322C55E" opacity=".1"/></svg>') repeat;
}
.conv-inner {
  position: relative; z-index: 1;
  text-align: center; margin-bottom: 3.5rem;
}
.conv-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800; color: var(--clr-white);
  line-height: 1.2; margin-bottom: 1rem;
}
.conv-title span { color: var(--clr-accent); }
.conv-desc { font-size: 1.05rem; color: rgba(255,255,255,.6); max-width: 540px; margin: 0 auto; }

.cta-cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem; position: relative; z-index: 1; max-width: 960px; margin: 0 auto;
}
.cta-card {
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-2xl);
  padding: 2.5rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--t);
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
.cta-card:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.3);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
}
.cta-card.green-card { border-color: rgba(34,197,94,.3); background: rgba(21,128,61,.2); }
.cta-card.green-card:hover { background: rgba(21,128,61,.35); border-color: var(--green-500); box-shadow: var(--sh-green); }
.cta-card.amber-card { border-color: rgba(251,191,36,.3); background: rgba(180,83,9,.15); }
.cta-card.amber-card:hover { background: rgba(180,83,9,.3); border-color: var(--amber-400); }
.cta-card.blue-card { border-color: rgba(37,99,235,.3); background: rgba(37,99,235,.12); }
.cta-card.blue-card:hover { background: rgba(37,99,235,.25); border-color: #60A5FA; }

.cta-card-icon {
  width: 72px; height: 72px;
  border-radius: var(--r-xl);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
}
.green-card .cta-card-icon { background: rgba(34,197,94,.15); }
.amber-card .cta-card-icon { background: rgba(251,191,36,.15); }
.blue-card  .cta-card-icon { background: rgba(37,99,235,.15); }

.cta-card-title {
  font-size: 1.2rem; font-weight: 800;
  color: var(--clr-white);
}
.cta-card-desc {
  font-size: .875rem; color: rgba(255,255,255,.58); line-height: 1.6;
}
.cta-card-btn {
  margin-top: .5rem; padding: .625rem 1.5rem;
  border-radius: var(--r-full);
  font-size: .85rem; font-weight: 600;
  border: 1.5px solid rgba(255,255,255,.25);
  color: var(--clr-white);
  transition: var(--t-fast);
  background: transparent;
}
.cta-card:hover .cta-card-btn {
  border-color: var(--clr-white);
  background: rgba(255,255,255,.1);
}

/* ================================================================
   8. FOOTER
   ================================================================ */
footer {
  background: var(--green-950);
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 3rem 0 1.5rem;
}
.footer-inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem;
}
.footer-brand { }
.footer-logo {
  display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem;
}
.footer-logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--green-600), var(--amber-500));
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
}
.footer-logo-name { font-size: .9rem; font-weight: 800; color: #fff; letter-spacing: .08em; }
.footer-brand-desc { font-size: .85rem; color: rgba(255,255,255,.45); line-height: 1.7; max-width: 280px; }

.footer-col-title {
  font-size: .8rem; font-weight: 700;
  color: rgba(255,255,255,.8); letter-spacing: .1em;
  text-transform: uppercase; margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: .6rem; }
.footer-col a {
  font-size: .85rem; color: rgba(255,255,255,.45); transition: var(--t-fast);
}
.footer-col a:hover { color: var(--clr-accent); }

.footer-bottom {
  margin-top: 2.5rem; padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.07);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.footer-copy { font-size: .8rem; color: rgba(255,255,255,.3); }

/* ================================================================
   9. MODAL OVERLAY & BASE
   ================================================================ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center;
  padding: 1rem;
  opacity: 0; transition: opacity .3s ease;
}
.modal-overlay.open { display: flex; }
.modal-overlay.visible { opacity: 1; }

.modal {
  background: var(--clr-white);
  border-radius: var(--r-2xl);
  width: 100%; max-width: 780px;
  max-height: 92vh; overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: var(--sh-xl);
  transform: translateY(30px) scale(.97);
  transition: transform .35s cubic-bezier(.34,1.56,.64,1), opacity .3s ease;
  opacity: 0;
}
.modal-overlay.visible .modal {
  transform: translateY(0) scale(1); opacity: 1;
}
.modal.modal-lg { max-width: 920px; }

/* Modal Header */
.modal-header {
  padding: 1.75rem 2rem 1.25rem;
  border-bottom: 1px solid var(--clr-gray-200);
  display: flex; align-items: flex-start; justify-content: space-between;
  background: linear-gradient(135deg, var(--green-950) 0%, var(--green-900) 100%);
  flex-shrink: 0;
}
.modal-header-info { display: flex; align-items: center; gap: 1rem; }
.modal-header-icon {
  width: 48px; height: 48px;
  background: rgba(255,255,255,.1);
  border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.modal-title { font-size: 1.25rem; font-weight: 800; color: #fff; }
.modal-subtitle { font-size: .8rem; color: rgba(255,255,255,.5); margin-top: .125rem; }
.modal-close {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.1);
  border: none; border-radius: var(--r-full);
  color: rgba(255,255,255,.7); font-size: 1.25rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--t-fast); flex-shrink: 0;
}
.modal-close:hover { background: rgba(255,255,255,.2); color: #fff; }

/* Modal Body */
.modal-body { flex: 1; overflow-y: auto; padding: 0; }

/* ================================================================
   10. STEPPER (Formulario de Postulados)
   ================================================================ */
.stepper-nav {
  display: flex; align-items: center;
  padding: 1.25rem 2rem; gap: 0;
  background: var(--clr-gray-50);
  border-bottom: 1px solid var(--clr-gray-200);
  overflow-x: auto;
  scrollbar-width: none;
}
.stepper-nav::-webkit-scrollbar { display: none; }
.step-item {
  display: flex; align-items: center; gap: .5rem;
  flex-shrink: 0; cursor: pointer;
}
.step-item:not(:last-child)::after {
  content: '›';
  color: var(--clr-gray-300);
  font-size: 1.1rem; margin: 0 .5rem;
}
.step-bubble {
  width: 28px; height: 28px;
  border-radius: var(--r-full);
  background: var(--clr-gray-200);
  color: var(--clr-gray-500);
  font-size: .75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  transition: var(--t-fast);
}
.step-label {
  font-size: .78rem; font-weight: 500; color: var(--clr-gray-500);
  white-space: nowrap;
}
.step-item.active .step-bubble { background: var(--clr-primary); color: #fff; }
.step-item.active .step-label  { color: var(--clr-primary); font-weight: 600; }
.step-item.done   .step-bubble { background: var(--clr-success); color: #fff; }
.step-item.done   .step-label  { color: var(--clr-success); }

/* Step panels */
.step-panel { display: none; padding: 2rem; }
.step-panel.active { display: block; }

/* ================================================================
   11. FORM ELEMENTS
   ================================================================ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-full { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: .375rem; }
.form-label {
  font-size: .8rem; font-weight: 600;
  color: var(--clr-gray-700); letter-spacing: .02em;
}
.form-label .required { color: var(--clr-danger); margin-left: 2px; }
.form-control {
  width: 100%; padding: .625rem .875rem;
  border: 1.5px solid var(--clr-gray-200);
  border-radius: var(--r-md);
  font-size: .875rem; color: var(--clr-gray-800);
  background: var(--clr-white);
  transition: var(--t-fast);
  outline: none;
}
.form-control:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(21,128,61,.1);
}
.form-control.error { border-color: var(--clr-danger); }
.form-control.success { border-color: var(--clr-success); }
.form-hint { font-size: .75rem; color: var(--clr-gray-400); }
.form-error { font-size: .75rem; color: var(--clr-danger); display: none; }
.form-group.has-error .form-error { display: block; }
.form-group.has-error .form-control { border-color: var(--clr-danger); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 100px; }

/* Step section titles */
.step-section-title {
  font-size: .95rem; font-weight: 700;
  color: var(--clr-primary); margin-bottom: 1.25rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--green-100);
  display: flex; align-items: center; gap: .5rem;
}

/* ================================================================
   12. FILE UPLOAD ZONES
   ================================================================ */
.upload-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; }
.upload-zone {
  border: 2px dashed var(--clr-gray-300);
  border-radius: var(--r-lg);
  padding: 1.25rem 1rem;
  text-align: center; cursor: pointer;
  transition: var(--t-fast);
  position: relative; background: var(--clr-gray-50);
  min-height: 130px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: .5rem;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--clr-primary);
  background: var(--green-50);
}
.upload-zone.has-file {
  border-color: var(--clr-success);
  border-style: solid;
  background: #F0FDF4;
}
.upload-zone input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.upload-icon { font-size: 1.75rem; }
.upload-name {
  font-size: .72rem; font-weight: 600;
  color: var(--clr-gray-600); line-height: 1.3;
}
.upload-hint { font-size: .65rem; color: var(--clr-gray-400); }
.upload-filename {
  font-size: .7rem; color: var(--clr-success);
  font-weight: 600; word-break: break-all;
  max-width: 100%;
}
.upload-zone.required-doc .upload-name::after {
  content: ' *'; color: var(--clr-danger);
}

/* ================================================================
   13. MODAL FOOTER / NAVIGATION
   ================================================================ */
.modal-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--clr-gray-200);
  display: flex; align-items: center; justify-content: space-between;
  background: var(--clr-gray-50); flex-shrink: 0;
}
.modal-footer .btn-sm {
  padding: .625rem 1.5rem;
  font-size: .875rem; font-weight: 600;
  border-radius: var(--r-full);
  transition: var(--t-fast);
}
.btn-prev {
  background: transparent;
  color: var(--clr-gray-600);
  border: 1.5px solid var(--clr-gray-300);
}
.btn-prev:hover { border-color: var(--clr-gray-500); color: var(--clr-gray-900); }
.btn-next {
  background: var(--clr-primary);
  color: var(--clr-white);
  border: 1.5px solid transparent;
}
.btn-next:hover { background: var(--green-800); box-shadow: var(--sh-green); }
.btn-submit {
  background: var(--clr-accent);
  color: var(--green-950);
  border: 1.5px solid transparent;
}
.btn-submit:hover { background: var(--amber-300); }
.step-counter { font-size: .8rem; color: var(--clr-gray-400); }

/* ================================================================
   14. PROGRESS BAR
   ================================================================ */
.modal-progress {
  height: 4px; background: var(--clr-gray-200);
  flex-shrink: 0; position: relative;
}
.modal-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--green-600), var(--green-400));
  transition: width .4s ease;
  border-radius: 0 2px 2px 0;
}

/* ================================================================
   15. SUCCESS STATE
   ================================================================ */
.success-state {
  display: none; flex-direction: column; align-items: center;
  justify-content: center; text-align: center;
  padding: 3rem 2rem; gap: 1.25rem;
}
.success-state.visible { display: flex; }
.success-icon {
  width: 80px; height: 80px;
  background: var(--green-100); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; animation: pop .5s cubic-bezier(.34,1.56,.64,1);
}
@keyframes pop { from{transform:scale(0)} to{transform:scale(1)} }
.success-title { font-size: 1.5rem; font-weight: 800; color: var(--clr-gray-900); }
.success-desc { color: var(--clr-gray-500); max-width: 420px; line-height: 1.7; }
.success-radicado {
  background: var(--green-50); border: 2px solid var(--green-200);
  border-radius: var(--r-lg); padding: 1rem 2rem;
  font-size: 1.25rem; font-weight: 800; color: var(--clr-primary);
  letter-spacing: .1em;
}

/* ================================================================
   16. RESPONSIVE
   ================================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
  .hero-desc   { max-width: 100%; margin: 0 auto 2rem; }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }
  .about-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
  :root { --navbar-h: 64px; }
  .nav-links, .btn-nav-login { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--navbar-h); left: 0; right: 0;
    background: var(--green-950);
    padding: 1.5rem var(--pad-x); gap: 1rem;
    border-bottom: 1px solid rgba(255,255,255,.1);
  }
  .nav-links.open + .btn-nav-login { display: flex; }
  .hero-title { font-size: 2.25rem; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid-3 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .cta-cards { grid-template-columns: 1fr; }
  .modal { border-radius: var(--r-xl) var(--r-xl) 0 0; max-height: 95vh; margin-top: auto; }
  .modal-overlay { align-items: flex-end; padding: 0; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary, .btn-outline { width: 100%; justify-content: center; }
  .stepper-nav { gap: 0; padding: 1rem; }
  .step-label { display: none; }
  .upload-grid { grid-template-columns: 1fr 1fr; }
}

/* ================================================================
   17. UTILITIES & ALERTS
   ================================================================ */
.alert {
  padding: .875rem 1.25rem;
  border-radius: var(--r-md);
  font-size: .875rem;
  display: flex; align-items: flex-start; gap: .625rem;
  margin-bottom: 1rem;
}
.alert-info    { background: #EFF6FF; border-left: 4px solid var(--clr-info);    color: #1E40AF; }
.alert-success { background: #F0FDF4; border-left: 4px solid var(--clr-success); color: #166534; }
.alert-warning { background: #FFFBEB; border-left: 4px solid var(--clr-warning); color: #92400E; }
.alert-danger  { background: #FEF2F2; border-left: 4px solid var(--clr-danger);  color: #991B1B; }

.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.text-muted { color: var(--clr-gray-400); }
.mt-1 { margin-top: .25rem; }
.mt-2 { margin-top: .5rem; }
.mt-3 { margin-top: .75rem; }

/* =========================================
   FORMULARIO MULTIPASO (STEPPER)
   ========================================= */
.stepper-tabs {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--clr-gray-200);
  padding-bottom: 1rem;
}
.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.5;
  transition: all 0.3s ease;
  position: relative;
  flex: 1;
}
.step-item.active {
  opacity: 1;
}
.step-item.active::after {
  content: '';
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 4px;
  background: var(--clr-primary);
  border-radius: 4px 4px 0 0;
}
.step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--clr-gray-200);
  color: var(--clr-gray-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition: all 0.3s ease;
}
.step-item.active .step-circle {
  background: var(--clr-primary);
  color: #fff;
  box-shadow: 0 4px 10px rgba(34,197,94,0.3);
}
.step-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
}
.step-content {
  display: none;
  animation: fadeIn 0.4s ease;
}
.step-content.active {
  display: block;
}
.step-title {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--clr-gray-800);
  border-left: 4px solid var(--clr-primary);
  padding-left: 0.75rem;
}
.step-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--clr-gray-200);
}